| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Cold Calling For Cowards: How To Turn The Fear Of Rejection Into Opportunities, Sales, And Money | 978-0-615-13875-6 (0-615-13875-6) | 2007 |
| Cold Calling Is Like a Colonoscopy without the Drugs: How You Can Find New Business with Courage, Cold Calling and a Few Less Invasive Techniques | 978-0-692-49310-6 (0-692-49310-7) | 2015 |